CVE Explorer

CVE-2026-45999

In the Linux kernel, the following vulnerability has been resolved: erofs: fix unsigned underflow in z_erofs_lz4_handle_overlap() Some crafted images can have illegal (!partial_decoding && m_llen < m_plen) extents, and the LZ4 inplace decompression path can be wrongly hit, but it cannot handle (outpages < inpages) properly: "outpages - inpages" wraps to a large value and the subsequent rq->out[] access reads past the decompressed_pages array. However, such crafted cases can correctly result i

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:86510b1be5bc12e2f08542181ceed92d1ca296277fa7d96acdd12a5a86a5827c

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/erofs/decompressor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"778acd52e9497806fbd2cea7f770c41d6850fc48","status":"affected","version":"598162d050801e556750defff4ddab499e5d76ed","versionType":"git"},{"lessThan":"118ff71ff09ebaf323a09af9e911517321a299f4","status":"affected","version":"598162d050801e556750defff4ddab499e5d76ed","versionType":"git"},{"lessThan":"43a878639b90e9721ffa5eb616a7e6d8454adef3","status":"affected","version":"598162d050801e556750de…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/erofs/decompressor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.140","versionType":"semver"},{"lessTha…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions

{"url":"https://git.kernel.org/stable/c/118ff71ff09ebaf323a09af9e911517321a299f4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/21e161de2dc660b1bb70ef5b156ab8e6e1cca3ab"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/43a878639b90e9721ffa5eb616a7e6d8454adef3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/778acd52e9497806fbd2cea7f770c41d6850fc48"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/bbbbb3f0d7864238a8da2a94cd6ec013fee06a2e"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/c9ce18e6bb2c467ec85756dc7989b547b7584fee"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/f1374fa6e57fd836623668d782ded9244cfd2938"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c64225f39e2f943cc8aa581da8a95c5773267c5696518eefff439fba661160de · sha256:bbcec47f629ac5d7… · /containers/cna/references/3

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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